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@article{DAN_1963_152_3_a9, author = {A. F. Lavrik}, title = {The theory of quasi-prime numbers}, journal = {Doklady Akademii Nauk}, pages = {544--547}, publisher = {mathdoc}, volume = {152}, number = {3}, year = {1963}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1963_152_3_a9/} }
A. F. Lavrik. The theory of quasi-prime numbers. Doklady Akademii Nauk, Tome 152 (1963) no. 3, pp. 544-547. http://geodesic.mathdoc.fr/item/DAN_1963_152_3_a9/